box_frame/configuration.scad.dist

   1 // PRUSA iteration3
   2 // Configuration file
   3 // GNU GPL v3
   4 // Josef Průša <josefprusa@me.com>
   5 // Václav 'ax' Hůla <axtheb@gmail.com>
   6 // http://www.reprap.org/wiki/Prusa_Mendel
   7 // http://github.com/prusajr/PrusaMendel
   8
   9 // PLEASE SELECT ONE OF THE CONFIGURATIONS BELOW
  10 // BY UN-COMMENTING IT
  11
  12 include <inc/metric.scad>;
  13 include <inc/conf_bushing.scad>;
  14
  15 // Custom settings here, tailor to your supplies and print settings
  16
  17 layer_height = 0.3;
  18 width_over_thickness = 2.2;
  19
  20 // Select your belt type ******************************************************
  21
  22 //T2.5
  23 //belt_tooth_distance = 2.5;
  24 //belt_tooth_ratio = 0.5;
  25
  26 //T5 (strongly discouraged)
  27 //belt_tooth_distance = 5;
  28 //belt_tooth_ratio = 0.75;
  29
  30 //HTD3
  31 belt_tooth_distance = 3;
  32 belt_tooth_ratio = 0.75;
  33
  34 //MXL
  35 //belt_tooth_distance = 2.032;
  36 //belt_tooth_ratio = 0.64;
  37
  38 //GT2 there is bunch of GT2 belts with different tooth-to-tooth distance
  39 //adjust to your needs
  40 //belt_tooth_distance = 2;
  41 //belt_tooth_ratio = 0.5;
  42
  43 // For T type belts you will probably want 0.8mm or so.
  44 belt_thickness = 1.75;
  45
  46 // Choose bearing/bushing configuration ***************************************
  47 // conf_b_* are in inc/conf_bushing.scad
  48
  49 bushing_xy = conf_b_lm8uu;
  50 bushing_z = conf_b_lm8uu;
  51 // for longer bearings use one shorter in x-carriage to make place for belt attachment
  52 // by default use same as xy
  53 bushing_carriage = bushing_xy;
  54
  55 // Select idler bearing size **************************************************
  56 // [outer_diameter, width, inner_diameter, uses_guide]
  57 // 608 [standard skate bearings] with bearing guide
  58 bearing_608 = [22, 7, 8, 1];
  59 //608 bearings with fender washers
  60 bearing_608_washers = [22, 10, 8, 0];
  61 bearing_625 = [16, 5, 5, 1];
  62 // two 625 - for use without bearing guides. My favourite [ax]
  63 bearing_625_double = [16, 10, 5, 0];
  64 // 624 [roughly same diameter as pulley, makes belt parallel so its prettier]
  65 bearing_624_double = [13, 9, 4, 0];
  66
  67 idler_bearing = bearing_625_double;
  68
  69 //Select carriage lenght
  70 // 30 for single carriage extruder (two holes 30mm apart)
  71 // 50 for wade or single with fan (three holes, 30-20)
  72 // 80 for full length carriage (four holes, 30-20-30)
  73
  74 carriage_l_base = 80;
  75
  76 // Fillets ********************************************************************
  77 // mostly cosmetic, except z axis.
  78 // 0 = no fillets
  79 // 1 = fillet
  80
  81 use_fillets = 1;
  82
  83 //set to 0 for single plate (affects z axis)
  84 i_am_box = 1;
  85
  86 //if you do your own plate and can move bottom Z screws 5mm up set this to 0 to
  87 //get stronger motor mount. Only for i_am_box = 0
  88 i_want_to_use_single_plate_dxf_and_make_my_z_weaker = 1;
  89
  90 //radius of long threaded rod on Y frame
  91 //Use 5.4 for M10 or 4.4 for M8
  92 y_threaded_rod_long_r = 5.4;
  93
  94 // Thickness of the XZ plate board. Leave at 12 for single plate
  95 board_thickness = 12;
  96
  97 // END of custom settings
  98
  99
 100 // You are not supposed to change this
 101 board_to_xz_distance = 26;
 102 xaxis_rod_distance = 45;
 103
 104 //calculated from settings
 105 single_wall_width = width_over_thickness * layer_height;
 106
 107 idler_width = (idler_bearing[1] > 7 ? idler_bearing[1] : 7) + 2.5 * idler_bearing[3] ;
 108
 109 //deltas are used to enlarge parts for bigger bearings
 110 xy_delta = ((bushing_xy[1] <= 7.7) ? 0 : bushing_xy[1] - 7.7) * 0.9;
 111 z_delta = (bushing_z[1] <= 7.7) ? 0 : bushing_z[1] - 7.7;
 112
 113 // CHANGE ONLY THE STUFF YOU KNOW
 114 // IT WILL REPLACE DEFAULT SETTING
 115
 116 // RODS
 117
 118 // threaded_rod_diameter = 0;
 119 // threaded_rod_diameter_horizontal = 0;
 120 // smooth_bar_diameter = 0;
 121 // smooth_bar_diameter_horizontal = 0;
 122
 123 // Nuts and bolts
 124
 125 // m8_diameter = 0;
 126 // m8_nut_diameter = 0;
 127
 128 // m4_diameter = 0;
 129 // m4_nut_diameter = 0;
 130
 131 // m3_diameter = 0;
 132 // m3_nut_diameter = 0;
 133
 134 // Bushing holder
 135
 136 // bushing_core_diameter = smooth_bar_diameter;
 137 // bushing_material_thickness = 0;
 138
 139 ///counted stuff
 140 m3_nut_diameter_bigger = ((m3_nut_diameter  / 2) / cos (180 / 6))*2;
 141
 142 // functions
 143 include <inc/functions.scad>
 144
 145 // These constants define the geometry of the complete-printer.scad
 146
 147 //x_smooth_rod_length=325;
 148 //y_smooth_rod_length=405;
 149 //z_smooth_rod_length=235;
 150 bed_x_size=225;
 151 bed_y_size=225;
 152
 153 x_smooth_rod_length=460+board_thickness*2; // 492 for 16mm thickness; 484 for 12mm thickness
 154 y_smooth_rod_length=470;
 155 z_smooth_rod_length=405;